How do you make a great public space inside a not-so-great building? Liz Diller shares the story of creating a welcoming, lighthearted (even, dare we say it, sexy) addition to the Hirshhorn Museum in Washington, DC. (From The Design Studio session at TED2012, guest-curated by Chee Pearlman and David Rockwell.)

Liz Diller and her maverick firm DS+R bring a groundbreaking approach to big and small projects in architecture, urban design and art — playing with new materials, tampering with space and spectacle in ways that make you look twice.
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